- 27 Feb, 2006 21 commits
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Patrick McHardy authored
The only point of registering a queue handler is to provide an outfn, so there is no need to check for it. Signed-off-by:
Patrick McHardy <kaber@trash.net> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Patrick McHardy authored
Packets should be rerouted when they come back from userspace, not before. Also move the queue_rerouters to RCU to avoid taking the queue_handler_lock for each reinjected packet. Signed-off-by:
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Patrick McHardy authored
Every rerouter needs to provide a save and a reroute function, we don't need to check for them. But we do need to check if a rerouter is registered at all for the current family, with bridging for example packets of unregistered families can hit nf_queue. Signed-off-by:
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Patrick McHardy authored
Use the registered data structure instead of copying it. Signed-off-by:
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Herbert Xu authored
The only reason post_input exists at all is that it gives us the potential to adjust the checksums incrementally in future which we ought to do. However, after thinking about it for a bit we can adjust the checksums without using this post_input stuff at all. The crucial point is that only the inner-most NAT-T SA needs to be considered when adjusting checksums. What's more, the checksum adjustment comes down to a single u32 due to the linearity of IP checksums. We just happen to have a spare u32 lying around in our skb structure :) When ip_summed is set to CHECKSUM_NONE on input, the value of skb->csum is currently unused. All we have to do is to make that the checksum adjustment and voila, there goes all the post_input and decap structures! I've left in the decap data structures for now since it's intricately woven into the sec_path stuff. We can kill them later too. Signed-off-by:
Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by:
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Herbert Xu authored
We used to keep sg on the stack which is why the extra block was useful. We've long since stopped doing that so let's kill the block and save some indentation. Signed-off-by:
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Atsushi Nemoto authored
Not just cleanup but also fixes O32 readdir(2) emulation. Signed-off-by:
Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by:
Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle authored
Reported and initial fix by Thomas Koeller <thomas.koeller@baslerweb.com>, rewritten by me. Signed-off-by: -
Ralf Baechle authored
A recent change requires cpu_possible_map to be initialized before smp_sched_init() but most MIPS platforms were initializing their processors in the prom_prepare_cpus callback of smp_prepare_cpus. The simple fix of calling prom_prepare_cpus from one of the earlier SMP initialization hooks doesn't work well either since IPIs may require init_IRQ() to have completed, so bit the bullet and split prom_prepare_cpus into two initialization functions, plat_smp_setup which is called early from setup_arch and plat_prepare_cpus called where prom_prepare_cpus used to be called. Signed-off-by: -
Ralf Baechle authored
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Marc Zyngier authored
With the latest kernels, I experienced some strange corruption, some '*****' being randomly inserted in the character flow, like this: ashes:~# ashes:~# a*******shes:~# ashes:~# ashes:~# Further investigation shows that the problem was introduced during Alan's "TTY layer buffering revamp" patch, the amount of data to be copied being reduced after buffer allocation. Moving the count fixup around solves the problem. Signed-off-by:
Marc Zyngier <maz@misterjones.org> Approved-by:
Rogier Wolff <R.E.Wolff@BitWizard.nl> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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Linus Torvalds authored
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Linus Torvalds authored
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Linus Torvalds authored
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Linus Torvalds authored
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Linus Torvalds authored
Commit 9ec4b1f3 made kprobes not compile without module support, so just make that clear in the Kconfig file. Also, since it's marked EXPERIMENTAL, make that dependency explicit too. Signed-off-by:
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David S. Miller authored
The change to kernel/sched.c's init code to use for_each_cpu() requires that the cpu_possible_map be setup much earlier. Set it up via setup_arch(), constrained to NR_CPUS, and later constrain it to max_cpus in smp_prepare_cpus(). This fixes SMP booting on sparc64. Signed-off-by: -
David S. Miller authored
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James Bottomley authored
Commit 9c869eda broke voyager again rather subtly because it already had its own topology exporting functions, so now each CPU gets registered twice. I think we can actually use the generic ones, so I don't propose reverting it. The attached should eliminate the voyager topology functions in favour of the generic ones. I also added a define to ensure voyager is never hotplug CPU (we don't have the support in the SMP harness). Signed-off-by:
James Bottomley <James.Bottomley@SteelEye.com> Signed-off-by:
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Brian Magnuson authored
The commit e2c03888 added setup_additional_cpus to setup.c but this is only defined if CONFIG_HOTPLUG_CPU is set. This patch changes the #ifdef to reflect that. Signed-off-by:
Brian Magnuson <magnuson@rcn.com> Signed-off-by:
Andi Kleen <ak@suse.de> Signed-off-by:
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- 26 Feb, 2006 14 commits
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Andi Kleen authored
RTC_IRQP_SET/RTC_EPOCH_SET don't take a pointer to an argument, but the argument itself. This actually simplifies the code and makes it work. Signed-off-by:
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Andi Kleen authored
The previous experiment for using apicmaintimer on ATI systems didn't work out very well. In particular laptops with C2/C3 support often don't let it tick during idle, which makes it useless. There were also some other bugs that made the apicmaintimer often not used at all. I tried some other experiments - running timer over RTC and some other things but they didn't really work well neither. I rechecked the specs now and it turns out this simple change is actually enough to avoid the double ticks on the ATI systems. We just turn off IRQ 0 in the 8254 and only route it directly using the IO-APIC. I tested it on a few ATI systems and it worked there. In fact it worked on all chipsets (NVidia, Intel, AMD, ATI) I tried it on. According to the ACPI spec routing should always work through the IO-APIC so I think it's the correct thing to do anyways (and most of the old gunk in check_timer should be thrown away for x86-64). But for 2.6.16 it's best to do a fairly minimal change: - Use the known to be working everywhere-but-ATI IRQ0 both over 8254 and IO-APIC setup everywhere - Except on ATI disable IRQ0 in the 8254 - Remove the code to select apicmaintimer on ATI chipsets - Add some boot options to allow to override this (just paranoia) In 2.6.17 I hope to switch the default over to this for everybody. Signed-off-by:
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Andi Kleen authored
SMP time selection originally ran after all CPUs were brought up because it needed to know the number of CPUs to decide if it needs an MP safe timer or not. This is not needed anymore because we know present CPUs early. This fixes a couple of problems: - apicmaintimer didn't always work because it relied on state that was set up time_init_gtod too late. - The output for the used timer in early kernel log was misleading because time_init_gtod could actually change it later. Now always print the final timer choice Signed-off-by:
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Andi Kleen authored
It didn't set up the CPU possible map early enough, so the option didn't actually work. Noticed by Heiko Carstens Signed-off-by:
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Andi Kleen authored
ACPI is initialized very early on x86-64, before the DMI code is initialized. This means it would often discover a 0 year and then turn off ACPI because it thought the BIOS was too old. Some systems don't boot without ACPI so this was a problem. I have a full fix by adding new very early DMI detection, but it needs more testing before it can be merged. For 2.6.16 let's just turn the check off. It never made much sense anyways because there are no x86-64 systems older than 2002 or so and they generally all have working ACPI. Cc: len.brown@intel.com Signed-off-by:
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Chris McDermott authored
[description from AK] Old check for the IO-APIC watchdog during the timer check was wrong - it obviously should only drop into this if the IO-APIC watchdog is used. Signed-off-by:
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Andi Kleen authored
This makes x86-64 use the common X86_PM_TIMER Kconfig entry in drivers/acpi And since PM timer is needed for correct timing on a lot of systems now (e.g. AMD dual cores) and we often get bug reports from people who forgot to set it make it depend on CONFIG_EMBEDDED. x86-64 had this change before and it's a good thing. I also fixed the description slightly to make this more clear. Cc: len.brown@intel.com Signed-off-by:
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Andreas Deresch authored
[description from AK] This fixes booting in APIC mode on some ACER laptops. x86-64 did a similar change some time ago. See http://bugzilla.kernel.org/show_bug.cgi?id=4700 for details Signed-off-by:
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Andi Kleen authored
Big Unisys systems have multiple clusters too, but they have an synchronized TSC. I'm using the SMBIOS to check for vendor == IBM. Cc: Chris McDermott <lcm@us.ibm.com> Cc: "Protasevich, Natalie" <Natalie.Protasevich@unisys.com> Signed-off-by:
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Suresh Siddha authored
Fixes a local DOS on Intel systems that lead to an endless recursive fault. AMD machines don't seem to be affected. Signed-off-by:
Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by:
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Jan Beulich authored
The value, while currently unused in the native kernel, was off by one. Signed-Off-By:
Jan Beulich <jbeulich@novell.com> Signed-off-by:
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Jon Mason authored
In previous versions of pci-gart.c, no_iommu was used to determine if IOMMU was disabled in the GART DMA mapping functions. This changed in 2.6.16 and now gart_xxx() functions are only called if gart is enabled. Therefore, uses of no_iommu in the GART code are no longer necessary and can be removed. Also, it removes double deceleration of no_iommu and force_iommu in pci.h and proto.h, by removing the deceleration in pci.h. Lastly, end_pfn off by one error. Tested (along with patch 1/2) on dual opteron with gart enabled, iommu=soft, and iommu=off. Signed-off-by:
Jon Mason <jdmason@us.ibm.com> Signed-off-by:
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Marc Zyngier authored
As the (probably) last user of a Specialix SI board, I noticed that recent kernels would fail to probe the sucker. Quick investigation indicate a few missing braces... I left the double probing in place, as it looks like it's been here forever. Signed-off-by:
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Al Viro authored
There's a problem in sd where we blindly believe the length of the headers and block descriptors. Some devices return insane values for these and cause our length to end up greater than the actual buffer size, so check to make sure. Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> Also removed the buffer size magic number (512) and added DPOFUA of zero to the defaults Signed-off-by:
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- 25 Feb, 2006 5 commits
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Daniele Venzano authored
Fix two bugs in the WoL implementation of sis900. The first causes hangs on some system on driver load, the second causes troubles when disabling WoL support. Both fixes are one liner and really simple. Signed-off-by:
Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by:
Daniele Venzano <venza@brownhat.org>
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Tejun Heo authored
Silicon Image has disclosed a new sil3114/3152 errata and workaround which causes the controller to return R_ERR on DMA activate FIS if the FIS is received while the next PRD is being fetched. This patch implements the workaround. This errata results in lock up and doesn't trigger if m15w workaround is in effect. We stopped applying m15w to 3512 and 3114 in 2.6.14-rc1 which makes 3512/3114 lock up with some drives on all kernel versions since 2.6.14-rc1 upto now (2.6.16-rc4). This patch should fix the regression. Signed-off-by:
Tejun Heo <htejun@gmail.com> Signed-off-by:
Jeff Garzik <jeff@garzik.org>
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Tejun Heo authored
3512 is slightly different from 3112 errata-wise. Differentiate it. Signed-off-by:
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Dave Jones authored
Commit 9c869eda moved the i386 topology.c file. That change broke x86-64 compiles, as it uses the same file. Signed-off-by:
Dave Jones <davej@redhat.com> Signed-off-by:
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Linus Torvalds authored
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